Spring device for vehicles



Nov. 7, 1939.

T. V COX ET AL SPRING ISEVICE FOR VEHICLES Filed March 3, 1958 '2 Sheets-Sheet l Nov. 7, 1939. T. v. cox El AL SPRING DEVICE FOR VEHICLES Filed March 5, 1938 2 Sheets-Sheet 2 Patented Nov. 7, 1939 UNITED STATES PATENT OFFICE SPRING DEVICE FOR VEHICLES Truitt Vesta Cox and William McCormick Neale, Greensboro, N. 0., assignors of one-third to Albert H. Thaeler, Greensboro, N. 0.

Application March 3, 1938, Serial No. 193,768

2 Claims. (01. 26720) Our invention relates to spring devices for dispensed with where a suitable frame member vehicles, and more particularly to an automobile is available to receive spring pads 5. spring rigging for the rear axle, whereby an in- The operation and advantages of our invenexpensive spring device is furnished and made tion will be apparent from the foregoing descrip- 5 eifective in operation. One of the main objects tion. It will be clear that as spring pads II, to- 5 of the invention is to cause the vehicle to hold gether with the lower ends of springs 4, are to the road at high speed on a curve, and to moved toward or away from pivot 8, that the counteract side sway effectively by means of the leverage of arms 5 will be changed in such a two springs and bars controlling the same. manner as to effectively change the strength of A further object of the device is to provide a. springs 4 in their support of the body load on the 10 convenient means for changing the effective vehicle. We take advantage of the above fact strength of the springs with little efiort. The inin providing only one set of springs for use on vevention is not only practical, but durable and hicles with widely varying loads, also where cheaply manufactured. loads are not, or cannot be placed central, we

In the drawings forming a part of this specimay compensate for this by means of our ad- 15 fication, and in which like symbols of reference justment.

represent corresponding parts in the several By means of the leverage of arms 6, when the views: body load tends to sway to one side, as in round- Figure 1 is a plan view of the device, partly in ing curves, a certain proportion of the excess section; compressive force of spring 4 on the outside of 20 Figure 2 is a rear elevation of the device, partthe curve is transmitted through arm 6 to pivot ly in section; 8, which counteracts to a great extent the tend- Figure 3 is a section on line 3--3, Figure 1; ency of the body to tip over. Pivot 8 being rigid- Figure 4 is a section on line 44, Figure 1; 1y attached to the vehicle body and arms 6 being Figure 5 is a section on line 5-5, Figure 1; attached to the running gear of the vehicle by 25 and, means of links I the side movement of the body Figure 6 is a section on line 6-6, of Figure 3. wi h r spect to th r nning r i limi by In the drawings, the numeral I represents the means of upstanding stops at I! on arm 6, which wheels of the machine; 2 the radius rods of the enga e the e s f adi dS when their rear axle; and 3 the rear axle housing. 4 is one movement is great en 30 of the two helical springs which replace the Having now fully described our invention, usual leaf springs; and 5 is a centering pad over what we claim as new, d de re to Secure y and under the springs, two of which are wedged Letters Patent, is:

into the cross member of the frame. The mate- 1. A sp n r veh comprising a frame, rial of the pads is preferably rubber covered a plurali y of arms, said s being ehennel- 35 metal. shaped with upwardly directed flanges, radial 6 is one of the two spring-supporting arms arms, elastic means between the same, radius pivoted into link 1, thence by means of said link r d and c i n be we n the fl n e rm to the ends of radius rods 2. The other ends of and radius rods.

said supporting arms 6 are pivoted at 8 on plate 2. A spring device for vehicles, comprising a 40 9, which plate 9 is bolted to cross member of frame, arms pivotally connected to the Same a frame. In is a slot in supporting arms 6 by the center thereof, springs interposed between means of which spring pad II is moved horizonthe arms and said frame, said springs being lattally to increase or decrease the effect or power erally adjustable by slots in the web of the arms,

of springs 4. centering pads for the springs, radius rods, and 45 The supporting arms 6 comprise flanges I4 connections between the radius rods and arms. and I5, and a web l6. I3 are radial arms receiv- TRUITT VESTA COX.

ing upper ends of springs, said arms may be WILLIAM MCCORMICK NEALE. 

